/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/Abilities/GameplayAbilityTypes.h
FGameplayAbilitySpecHandleAndPredictionKey ( const [FGameplayAbilitySpecHandle](API\Plugins\GameplayAbilities\FGameplayAbilitySpecHandle) & HandleRef, const [FPredictionKey](API\Plugins\GameplayAbilities\FPredictionKey) & PredictionKeyAtCreationRef )